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Aug 02, 2025 am 06:51 AM
Windows 11 WiFi not working
First check the flight mode and WiFi switch to make sure that the flight mode is not turned on and WiFi is on, and make sure that the physical switch or shortcut key (such as Fn F2) of the notebook is not turned off; 2. Run the network troubleshooting, and run the "Network Adapter" diagnostic tool in Settings → System → Troubleshooting → Other troubleshootings to automatically fix the problem; 3. Update or reinstall the WiFi driver, you can automatically update and restart the system through the Device Manager, uninstall and restart the system, or go to the official website of the computer and network card manufacturer to download the latest driver (such as Intel, Realtek, MediaTek); 4. Reset the network settings, click "Network Reset" in "Settings → Network and Internet → Advanced Network Settings" and click "Network Reset" and restart the computer, and be careful to clear
Aug 02, 2025 am 06:38 AM
Implementing Mandatory Access Control with SELinux on Linux
SELinuxenforcesMandatoryAccessControlbyusingsecuritycontextsandsystem-widepoliciestorestrictaccessbeyondtraditionalUnixpermissions.1.EnsureSELinuxisenabledinenforcingmodevia/etc/selinux/configandreboot.2.Usesemanagefcontextforpersistentlabelingandres
Aug 02, 2025 am 06:34 AM
How to fix blurry fonts in Windows
AdjustClearTypetextbyenablingitandselectingtheclearesttextsampleacrossallfivescreens.2.FixdisplayscalingbyoverridinghighDPIsettingsforblurryappsandsettingscalingtoApplication,andadjustsystemscalingpercentageunderDisplaysettings.3.Updategraphicsdriver
Aug 02, 2025 am 06:33 AM
How to enable ReadyBoost for a USB drive in Windows
ReadyBoostcanimproveperformanceonoldersystemswithHDDsandlimitedRAMbyusingaUSBdriveascache.1)EnsuretheUSBisformattedwithNTFS,exFAT,orFAT32andhassufficientreadspeed.2)PlugintheUSBdriveandopenFileExplorer.3)Right-clickthedrive,selectProperties,thengotot
Aug 02, 2025 am 06:32 AM
How to set quiet hours in Windows
TosetquiethoursinWindows,useFocusAssistbyopeningSettings(Win I),navigatingtoSystem>FocusAssist(Notifications&actionsinWin10,FocusinWin11),choosingwhenitactivates(Off,Priorityonly,Alarmsonly),schedulingautomatictimes(e.g.,10:00PMto7:00AMdaily),
Aug 02, 2025 am 06:30 AM
How to fix a stuck 'Getting Windows ready' screen
Wait2–3hoursifanupdateisinstalling,butifnoprogressoccursafter4 hours,it’slikelystuck.2.ForcerestartthePC2–3timesbyholdingthepowerbuttonfor10secondstotriggerWindowsRecoveryEnvironment.3.AccessAdvancedStartupOptionsanduseTroubleshoot→Advancedoptionstoa
Aug 02, 2025 am 06:21 AM
How to find crash logs on Windows
OpenEventViewerbypressingWin R,typingeventvwr.msc,andnavigatetoWindowsLogs>ApplicationandSystemtofinderrororcriticaleventslinkedtocrashes.2.CheckcrashdumpfilesinC:\Windows\Minidump\forBSODsorC:\Users\\AppData\Local\CrashDumps\forapplicationcrashes
Aug 02, 2025 am 06:20 AM
How to use Character Map in Windows
OpenCharacterMapbypressingWindows R,typingcharmap,andpressingEnter,orbysearchingforitintheStartmenu.2.Selectthedesiredfontfromthedropdownmenutomatchyourdocument’sfont.3.BrowsethecharactersoruseAdvancedViewtosearchbydescription(e.g.,“euro”for€).4.Clic
Aug 02, 2025 am 06:10 AM
Laptop touchpad not working on Windows 10
First check whether the touchpad is disabled, try to enable it using function keys (such as Fn F7) or physical switch, and confirm that the touchpad switch is on in the settings; 2. Update or reinstall the touchpad driver, find the corresponding device through the device manager and update or uninstall it and restart it to automatically reinstall; 3. If the settings show "Your PC does not have a touchpad", you need to visit the official website of the notebook manufacturer to download and install the correct touchpad driver; 4. Run the built-in hardware and device troubleshooting tools of Windows to automatically detect and fix problems; 5. Check the BIOS/UEFI settings to ensure that the internal touchpad or pointer device is not disabled; 6. Make sure that the Windows system has been updated to the latest version to obtain the latest hardware compatibility support, and finally
Aug 02, 2025 am 06:05 AM
How to use the taskkill /f /im command to force close a program in Windows
ToforcefullycloseaprograminWindowsusingCommandPrompt,usethetaskkill/f/imcommandfollowedbytheexecutablename.1.OpenCommandPromptasadministratorviaWin S,cmd,andselectRunasadministrator.2.Identifytheprogram’s.exenameusingTaskManagerundertheProcessesorDet
Aug 02, 2025 am 05:49 AM
How to change the TEMP folder location in Windows
TochangetheTEMPfolderlocationinWindows,firstcreateanewfolderonthedesireddrive(e.g.,D:\Temp),thenupdatetheTEMPandTMPenvironmentvariablesforbothuserandsystem(ifneeded)viaSystemProperties>Advanced>EnvironmentVariables,assignfullcontrolpermissionst
Aug 02, 2025 am 05:11 AM
How to calibrate your display for HDR in Windows
Confirmyourmonitor,graphicscard,andcablesupportHDRandensureyou'reusingWindows10or11withHDRenabledinSettings>System>Display.2.Enable"UseHDR"inWindowssettings,adjusttheHDRbrightnesssliderbasedonroomlighting,andallowWindowstohandletonema
Aug 02, 2025 am 04:48 AM
How to Recover Deleted Files on a Linux Filesystem
Immediately stop using the file system where the deleted file is located, avoid new data overwriting, and uninstall the partition as much as possible; 2. Select recovery tools based on the file system: ext3/ext4 use extundelete or debugfs, common scenarios can be used for photorec, scalpel or foremost, and the output directory must be located on another disk during recovery; 3. If the file is still opened by the process when it is deleted, you can search through lsof and copy and restore from the file descriptor under /proc; 4. Preventive measures include using trash-cli instead of rm or setting an alias to move the file to the recycling bin to ensure that future deletion is reversible. The key to successful recovery is that no data coverage occurs and correct measures are taken in a timely manner and the corresponding use
Aug 02, 2025 am 04:45 AM
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